2. A car traveling at 20 m/s when the driver sees a child standing on the road. He takes 0.80s to react, then steps on the brake and slows at 7.0 m/s². How far does the car go before it stop?

3. The blue F1 Ford truck is travelling at 5 mph as it strikes the black SUV which then strikes the red vW Bug. Assuming all vehicles are manual transmission and in neutral (so we can make a valid assumption of ignoring friction), determine post-impact velocity of each vehicle. COR is 0.7. 3500 Ib 4100 Ib 2200 Ib

3. Toy Train : A toy train pushed forward and released at x0=2.0 m with a speed of 2 m/s. It rolls at a steady speed for 2 s, then one wheel begins to stick. The train comes to a stop at 6m from the point at which it was released. What is the magnitude of the train's acceleration after its wheel begins to stick?

1.A car drives east at 40 m/s for 500 seconds, stops, turns around, then drives west at 50 m/s for 400 seconds and stops. What is the displacement of the car? What is the distance the car traveled? 2.An object move to the left from X1: 9 to X2: -3 find the distance and displacement. 3. What is the distance and displacement of the ball as it bounce back from the wall with 2m initial distance and 4m as final distance. 4.What is the distance and displacement of the bullet, shot in a can with a starting point of 5m to 10m end. 5. An object travels 80m east and then 160m south. What is the distance and displacement?

D. 56 20. A ball is thrown vertically upward at 20 m/s from a height of 30 m above the ground. What is its speed on impact with the ground below? A. 14 m/s B. 24 m/s (C.) 31 m/s D. 44 m/s

1. Consider a car that initially travels in the positive direction at a speed of 30 m/s. The car uniformly speeds up to 40 m/s in a time of 5 s. Find the following: a. The acceleration of the car. b. The distance traveled over the entire 5.0 seconds. C. The distance traveled during the 2 s interval where the clock goes from t = 2 s, to t= 4 s. (Assume the 5 s time interval begins with the time = 0s.)

B3

12. A ball is thrown straight up into the air. At each of the following instants, is the magnitude of the ball's acceleration greater than g, equal to g, less than g, or 0? Explain. a. Just after leaving your hand. b. At the very top (maximum height). 6. Just before hitting the ground.

9: An archer fires an arrow straight up into the air with a speed v0=35.6m/s. Neglect air resistance.   a. Find the maximum height, hℎ, in meters, reached by the arrow.  b.  In terms of known quantities, write an expression for the time the arrow is in the air until it returns to launch height.

+6. K13Q6 - 7. K13Q7 A sports car traveling at 29.5 m/s slows to a velocity of 11.0 m/s over 11.1 s. How far does it move during this time? X Distance 430.08 m Info